Amy Schumer isn't just a stand-up comedian – she's apparently also a good tipper.

Cashier Sagine Lazarre was working a shift at the Six Corners Mattress Firm in Chicago, Illinois, when a female jogger entered the store asking if she could use the bathroom.

Lazarre granted her permission and didn't think very much of the action until the woman emerged from the restroom and asked which mattress was Lazarre's favorite.

Lazarre protested the gesture, but the woman simply said that she was an actress and a comedian who had no problem affording such a gift.

As Lazarre swiped the comedian's credit card, she saw the name imprinted on the front: Amy Schumer.

The second that Schumer left the store, Lazarre performed an internet search on Schumer and was shocked to discover that she had just spoken to the esteemed actress in person.

The new mattress couldn't have come at a better time, either; Lazarre and her daughter had just moved into a new apartment in Woodbridge last month.

"It's amazing, mind blowing. I'm still shocked," Lazarre told WGN News. "The lady that was right there talking to me is Amy Schumer. It was amazing. Unbelievable."

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